CallataGuidesGet a local business phone number in McCormick, SC
McCormick's area codes, prefixes and carriers from NANPA records, and how to put a McCormick number in front of your customers.
- Area code
- 864 / 821
- Exchanges
- 5NANPA-assigned
- Carriers
- 5
- Population
- 1,960Census 2024 est.
McCormick area codes
With 1,960 residents in the Census 2024 estimate, McCormick sits in McCormick County, South Carolina. NANPA lists 5 exchanges for its rate center across 2 area codes; 864 has the most (4, 80%). 864 is part of an overlay with 821, so a new local number in McCormick may carry any of those codes depending on which have numbers available. McCormick is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 864 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Phone carriers in McCormick
5 carriers hold the 5 exchanges assigned to McCormick's rate center. Onvoy, LLC - SC has the most, with 1. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in McCormick can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Onvoy, LLC - SC | 1 | 20% |
| Frontier Communications of the Carolinas INC. - SC | 1 | 20% |
| New Cingular Wireless PCS, LLC - Ga | 1 | 20% |
| Cellco Partnership d/b/a Verizon Wireless - SC | 1 | 20% |
| West Carolina Communications, LLC - SC | 1 | 20% |
Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.
Exchanges (NPA-NXX) assigned in McCormick
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to McCormick. The earliest assignment date recorded in the file for these codes is 2003. 1 of the 5 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 821 | 529 |
| 864 | 465, 550, 602, 852 |
Source: NANPA utilized central office code file.
When McCormick's exchanges were assigned
Assignment dates show when each block of McCormick numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 3 | 75% |
| 2020s | 1 | 25% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to McCormick
NANPA ties every exchange to a rate center. For McCormick that is MCCORMICK, so a number from one of these exchanges reads as local to people in and around McCormick.
Keeping an existing McCormick number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 864 when you pick it.
Businesses around McCormick
McCormick is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 122,958 business establishments in South Carolina in 2023, employing 2,067,143 people. The largest sectors by establishment count are retail trade (18,647), other services (except public administration) (12,908), and health care and social assistance (12,694).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 4,583 | 98,946 | 21.6 |
| Limited-service restaurants | 4,227 | 88,115 | 20.8 |
| Offices of real estate agents and brokers | 3,337 | 7,097 | 2.1 |
| Law offices | 2,590 | 16,264 | 6.3 |
| Physician practices | 2,464 | 39,087 | 15.9 |
| Insurance agencies and brokerages | 2,042 | 9,737 | 4.8 |
| Landscaping services | 1,910 | 13,383 | 7.0 |
| Dental offices | 1,758 | 14,601 | 8.3 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in McCormick
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
If you already have a number in McCormick, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.
A 17-person team is the benchmark here, the rounded average establishment size in South Carolina. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $339.00 | $4,068.00 |
| Quo (Starter) | $19.00 per user | $323.00 | $3,876.00 |
| Nextiva (Core) | $23.00 per user | $391.00 | $4,692.00 |
| Ooma (Office Pro) | $24.95 per user | $424.15 | $5,089.80 |
| Dialpad (Standard) | $27.00 per user | $459.00 | $5,508.00 |
| RingCentral (RingEX Core) | $30.00 per user | $510.00 | $6,120.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Frequently asked questions
What area code is McCormick, SC?
McCormick has exchanges in 864 and 821; 864 has the most.
How many phone companies have exchanges in McCormick?
5, holding 5 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing McCormick business number?
Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.
How much is a business phone line in McCormick?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).